Initial version of library_info class for POSIX (Elf files)
Make it possible to list symbols by section and make library_info tests more strict
First try to library_info on windows

symbols impl
sections method impl

first impl of sections method.
New method test 'depend_of'

an test method to get dependents modules,
who my plugin imports (1st level only)

e.g. for myself I get:
KERNEL32.dll
MSVCP110D.dll
boost_system-vc-mt-gd-1_56.dll
MSVCR110D.dll
Add some references
Attempt to fix ompilation error noted in #4
More mature solution for #4
Fix windows related issues
Minor improvements and more tests for symbol querying
Take care of documentation issues noted at Boost mailing list
Make example more demonstrative
Started the renaming to Boost.DLL
Started the renaming to Boost.DLL 2
Renaming to Boost.DLL 3
restrictions on section names and minor fixes
Add an example of on_unload callbacks implementation
More comments in examples
ifstream first try

in dev
Revert "ifstream first try"

This reverts commit 6299f391a818e48290d5acb46e9fbb94230812d6.